Display screen or portion thereof with transitional graphical user interface



FIG. 1 is a front view of a first image in a sequence of a firstembodiment of the display screen or portion thereof with transitionalgraphical user interface according to the claimed design;

FIG. 2 is a front view of a second image in a sequence of the firstembodiment according to the claimed design;

FIG. 3 is a front view of a third image in a sequence of the firstembodiment according to the claimed design;

FIG. 4 is a front view of a fourth image in a sequence of the firstembodiment according to the claimed design;

FIG. 5 is a front view of a first image in a sequence of a secondembodiment according to the claimed design;

FIG. 6 is a front view of a second image in a sequence of the secondembodiment according to the claimed design;

FIG. 7 is a front view of a third image in a sequence of the secondembodiment according to the claimed design;

FIG. 8 is a front view of a fourth image in a sequence of the secondembodiment according to the claimed design; and,

FIG. 9 is a front view of a fifth image in a sequence of the secondembodiment according to the claimed design.

The thick, dashed hexagon and half-hexagon shown in FIGS. 1 to 3 and 5to 7 portray environment and form no part of the claimed design.

The gradient background of the graphical user interface is claimedsubject matter.

The three thin lines just outside of the circle, one of which has asingle break, are claimed subject matter.

The longer length broken line showing of a display screen and theintermediate length broken line showing of a display screen boundary,are included for the purpose of illustrating environmental structure.

The shorter broken line represents an artificial boundary defining aleft portion of the screen and a right portion of the screen and formsno part of the claimed design.

The appearance of the transitional image sequentially transitionsbetween the images shown in FIGS. 1-4 and FIGS. 5-9. The process orperiod in which one image transitions to another forms no part of theclaimed design.

CLAIM The ornamental design for a display screen or portion thereof withtransitional graphical user interface, as shown and described.